Vice premier calls for high-quality development in Chongqing

Vice Premier Han Zheng, also a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee, tries the smart interaction system in a car during his visit to a research and development center of Changan Automobile, in southwest China's Chongqing Municipality, Oct. 14, 2019. Han made a research trip to Chongqing on Monday and Tuesday. (Xinhua/Liu Weibing)